The Farm Innovators Submergible Bird Bath De - Icer (C250) is a multipurpose de-icer that can be used outside or inside your house and even on your farm. It is made from patented cast aluminum for ultimate efficiency and safety. It has been thermostatically controlled to operate only when necessary. Can be used in containers up to 25 gallons. Uses 250 Watts. It has a unique structure that is durable and can last a long time. Can be submerged to birdbaths, bucket and even on your pond. This utility de-icer works perfectly in different applications.